Home / 32,313.81-44,562.96-20,971.18

Finding the Fourth Proportional to 32,313.81, 44,562.96 and 20,971.18

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Solution

The fourth proportional to 32,313.81, 44,562.96 and 20,971.18 is: 28,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,313.81 : 44,562.96 = 20,971.18 : x
  2. Step 2: Convert to fraction form
    32,313.81/44,562.96 = 20,971.18/x
  3. Step 3: Cross multiply
    32,313.81x = 44,562.96 × 20,971.18
  4. Step 4: Simplify right side
    32,313.81x = 934,537,855.49
  5. Step 5: Solve for x
    x = 934,537,855.49/32,313.81
  6. Step 6: Final answer
    x = 28,920.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.